66 lines
2 KiB
Nix
66 lines
2 KiB
Nix
# This module defines a standard configuration for NixOS shells.
|
|
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
|
|
cfg = config.environment;
|
|
|
|
in
|
|
|
|
{
|
|
|
|
config = {
|
|
|
|
environment.shellAliases =
|
|
{ ls = "ls --color=tty";
|
|
ll = "ls -l";
|
|
l = "ls -alh";
|
|
};
|
|
|
|
environment.shellInit =
|
|
''
|
|
# Set up the per-user profile.
|
|
mkdir -m 0755 -p "$NIX_USER_PROFILE_DIR"
|
|
if [ "$(stat --printf '%u' "$NIX_USER_PROFILE_DIR")" != "$(id -u)" ]; then
|
|
echo "WARNING: bad ownership on $NIX_USER_PROFILE_DIR, should be $(id -u)" >&2
|
|
fi
|
|
|
|
if [ -w "$HOME" ]; then
|
|
if ! [ -L "$HOME/.nix-profile" ]; then
|
|
if [ "$USER" != root ]; then
|
|
ln -s "$NIX_USER_PROFILE_DIR/profile" "$HOME/.nix-profile"
|
|
else
|
|
# Root installs in the system-wide profile by default.
|
|
ln -s /nix/var/nix/profiles/default "$HOME/.nix-profile"
|
|
fi
|
|
fi
|
|
|
|
# Subscribe the root user to the NixOS channel by default.
|
|
if [ "$USER" = root -a ! -e "$HOME/.nix-channels" ]; then
|
|
echo "${config.system.nixos.defaultChannel} nixos" > "$HOME/.nix-channels"
|
|
fi
|
|
|
|
# Create the per-user garbage collector roots directory.
|
|
NIX_USER_GCROOTS_DIR="/nix/var/nix/gcroots/per-user/$USER"
|
|
mkdir -m 0755 -p "$NIX_USER_GCROOTS_DIR"
|
|
if [ "$(stat --printf '%u' "$NIX_USER_GCROOTS_DIR")" != "$(id -u)" ]; then
|
|
echo "WARNING: bad ownership on $NIX_USER_GCROOTS_DIR, should be $(id -u)" >&2
|
|
fi
|
|
|
|
# Set up a default Nix expression from which to install stuff.
|
|
if [ ! -e "$HOME/.nix-defexpr" -o -L "$HOME/.nix-defexpr" ]; then
|
|
rm -f "$HOME/.nix-defexpr"
|
|
mkdir -p "$HOME/.nix-defexpr"
|
|
if [ "$USER" != root ]; then
|
|
ln -s /nix/var/nix/profiles/per-user/root/channels "$HOME/.nix-defexpr/channels_root"
|
|
fi
|
|
fi
|
|
fi
|
|
'';
|
|
|
|
};
|
|
|
|
}
|